Home / 26,606.38-39,909.96-7,888.32

Finding the Fourth Proportional to 26,606.38, 39,909.96 and 7,888.32

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Solution

The fourth proportional to 26,606.38, 39,909.96 and 7,888.32 is: 11,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,606.38 : 39,909.96 = 7,888.32 : x
  2. Step 2: Convert to fraction form
    26,606.38/39,909.96 = 7,888.32/x
  3. Step 3: Cross multiply
    26,606.38x = 39,909.96 × 7,888.32
  4. Step 4: Simplify right side
    26,606.38x = 314,822,535.67
  5. Step 5: Solve for x
    x = 314,822,535.67/26,606.38
  6. Step 6: Final answer
    x = 11,832.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.